Which concept in OOP explains the relationship between the classes Nation and President, where the class Nation has-a (an) object of class President? A.
aggregation
B.
association
C.
abstraction
D.
composition
E.
inheritance

Which requirement is an appropriate reason for a business to use it tools

The processing of data in a computer involves the interplay between its various hardware components.

Create a string list. 2. use console.readline() to collect values of firstname, lastname, street, city, state, zip, save them to list. 3. write a simple linq statement, call method uppercasewords() to change first letter to uppercase. 4. create a foreach statment to display the information. public static string uppercasewords(string value) { char[] array = value.tochararray(); if (array.length > = 1) { if (char.islower(array[0])) { array[0] = char.toupper(array[0]); } } for (int i = 1; i < array.length; i++) { if (array[i - 1] == ' ') { if (char.islower(array[i])) { array[i] = char.toupper(array[i]); } } } return new string(array);